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YOSHIKAWA KOGYO KK

Overview
  • Total Patents
    293
  • GoodIP Patent Rank
    42,640
  • Filing trend
    ⇧ 16.0%
About

YOSHIKAWA KOGYO KK has a total of 293 patent applications. It increased the IP activity by 16.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets environmental technology, semiconductors and electrical machinery and energy are HATORI MAKOTO, KEMMER JOSEF DR and KEMMER JOSEF.

Patent filings per year

Chart showing YOSHIKAWA KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Otsubo Fumiaki 24
#2 Nakayama Naomi 20
#3 Terakawa Toshiro 20
#4 Hoashi Yukihiko 19
#5 Kawasaki Tomio 16
#6 Okano Katsutoshi 15
#7 Kumai Takashi 13
#8 Mori Toshio 13
#9 Horiguchi Hiroshi 13
#10 Mori Yuji 12

Latest patents

Publication Filing date Title
JP2021003945A Unmanned flying body
JP2020177512A RFID tag
JP2020177421A Approach alarm system
JP2020113647A Laminated iron core
JP2020030167A Approach detection system
JP2019219354A Approach detection system
JP2019220396A Effect system
JP2019211348A Curve detection system for long material
JP2019163904A Installation method of air-conditioning facility heat source unit
JP2019152573A Proximity detection system
JP2019136714A Cutting system for deformed steel piece
JP2019103217A Apparatus and method for manufacturing laminated iron core
JP2017226915A Sprayed coating and sprayed coating member
JP2018187641A Method for manufacturing pressed product
JP2018178238A Sealed sprayed coating, formation method thereof, and structural steelwork
JP2018153159A Aquarium fish growth system
JP2018141214A Hydrogen embrittlement-resistant sprayed coating and hydrogen embrittlement-resistant sprayed coating member
JP2018085836A Stator core, and manufacturing method of the same
JP2018084940A Design method, manufacturing method, and design program of iron core
JP2018081896A Heating apparatus and heating facility